|
|
|
National Stock Number:
5305-00-502-5316
Federal Supply Class:
5305
National Item Identification Number:
005025316
Description:
SCREW,MACHINE
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
|
Manufacturer Information:
| 5025316 | 19206 | ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL |
|
Techincal Specification:
| COUNTERSINK ANGLE | 68.0 DEGREES MINIMUM AND 70.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM | | HEAD DIAMETER | 0.453 INCHES MINIMUM AND 0.469 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC ALL MATERIAL RESPONSES | | SCREW SURFACE TREATMENT | PHOSPHATE | | SPECIAL FEATURES | UNDERCUT UNDER HEAD 0.170 IN. MIN 0.180 IN. MAX DIA,0.062 IN. MIN 0.094 IN. MAX LG | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.632 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
|
|